@article{10_4153_CMB_1973_083_0,
     author = {Djokovi\'c, D. \v{Z}.},
     title = {Epimorphisms of {Modules} which must be {Isomorphisms}},
     journal = {Canadian mathematical bulletin},
     pages = {513--515},
     year = {1973},
     volume = {16},
     number = {4},
     doi = {10.4153/CMB-1973-083-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-083-0/}
}